Why mobile phone's battery capacity to design so small?

Source: 2020 - 03 - 29 then hits: why do you want to make mobile phone battery design so small? A month you can not charge their phone, but your hand is dead. But there are still such mobile phones, such as Energizer Power Max P18K Pop. In fact, this is not a produced by mobile phone brand mobile phone, but by the world's largest battery manufacturers energizer ( energizer) The production. This kind of mobile phone battery capacity is 18000 ma, can be in standby mode without a charge 50 days! 50 days no charge! And it is said that in the normal standby mode, if you want to play games, watch video or listening to music, time must be shorter. Although it can be done without charge of 50 days of standby, but mobile phones and general much thicker. Its weight and 20000 mah charger is almost in your pocket. Also can say this is a brick! For details, please refer to the article: 'baby' mobile phone was born! Mobile phone saw only dare to call brother! Mp。 weixin。 qq。 Com icon, then, say it again: why battery capacity is so small? The top cell phone plan itself limits the battery of large capacity depend on the conditions. Cell phone is light, thin, feel is moderate, with not much weight in hand feeling, not all of us to pursue? If the cell phone battery capacity is big, the charging and mobile phones in the treasure to fill power and what's the difference? In addition to do a really big, is not convenient, risk seems to also increase? Secondly, today's battery technology is not developed enough. You can't expect your phone both high performance and thin. These are some personal opinions, if there is anything wrong place, you can point it out. Also welcome our compensation for clarification!